Humboldt-Universität zu Berlin - Albrecht Daniel Thaer-Institut für Agrar- und Gartenbauwissenschaften

Schneidewind, S. J., Al Merestani, M. R., Schmidt, S., Waser, W., Schmidt, T., Wiegard, M., Schmidt, U., & Thoene-Reineke, C. (2026). Quantifying sheep behaviour using a 3D accelerometer: A proof-of-concept for objective stress assessment. Sensors, 26(4), 1169. https://doi.org/10.3390/s26041169

Devadze, G., Dannehl, D., Nerlich, A., Schmidt, U., & Streif, S. (2025). Prediction of secondary metabolites in hydroponically produced tomatoes: multivariate influence of abiotic climatic factors as well as photosynthesis and transpiration rates. Frontiers in Plant Science, 16, 1-20. https://doi.org/10.3389/fpls.2025.1543699

Simon, S. A., Aschmann, V., Behrendt, A., Hügler, M., Engl, L. M., Pohlner, M., Rolfes, S., Brinkhoff, T., Engelen, B., Könneke, M., Rodriguez-R, L. M., Bornemann, T. L. V., Nuy, J. K., Rothe, L., Stach, T. L., Beblo-Vranesevic, K., Leuko, S., Runzheimer, K., Möller, R.,…Probst, A. J. P. (2025). Earth's most needed uncultivated aquatic prokaryotes. Water Research, 273, 122928. https://doi.org/10.1016/j.watres.2024.122928

Vollmer, A., Schmidt, U., Ulrichs, C., & Dannehl, D. (2025). Closing the loop: Utilization of composted tomato plant residues as fertilizer and soil amendment. Scientia Horticulturae, 342, 1-12. https://doi.org/10.1016/j.scienta.2025.114028

Kobelski, A., Nestler, P., Mauerer, M., Rocksch, T., Schmidt, U., & Streif, S. (2024). An algorithm for nutrient mixing optimization in aquaponics. Applied Sciences, 14(18), 8140. https://doi.org/10.3390/app14188140

Mauerer, M., Rocksch, T., Dannehl, D., Schuch, I., Mewis, I., Förster, N., Ulrichs, C., & Schmidt, U. (2023). Replacing mineral fertilizer with nitrified human urine in hydroponic lettuce (Lactuca sativa L.) production. Sustainability, 15(13), 10684. https://doi.org/10.3390/su151310684

Pérez-Figueroa, C. E., Salazar-Moreno, R., Rodríguez, E. F., Cruz, I. L. L., Schmidt, U., & Dannehl, D. (2023). Heavy metals accumulation in lettuce and cherry tomatoes cultivated in cities. Polish Journal of Environmental Studies, 32(3), 1-16. https://doi.org/10.15244/pjoes/157316

Schneidewind, S. J., Al Merestani, M. R., Schmidt, S., Schmidt, T., Thöne-Reineke, C., & Wiegard, M. (2023). Rumination detection in sheep: A systematic review of sensor-based approaches. Animals, 13(24), 3756. https://doi.org/10.3390/ani13243756

Yakti, W., Muller, M., Klost, M., Mewis, I., Dannehl, D., & Ulrichs, C. (2023). Physical properties of substrates as a driver for Hermetia illucens (L.) (Diptera: Stratiomyidae) larvae growth. Insects, 14(266), 3-16. https://doi.org/10.3390/insects14030266

Fernández, H. A., Salazar-Moreno, R., Fitz-Rodríguez, E., López-Cruz, I. L., Schmidt, U., & Dannehl, D. (2022). Yields and water use efficiency of lettuce and cherry tomatoes in urban gardens. Tecnología y Cencias del Agua, 1-35. https://doi.org/10.24850/j-tyca-14-5-5

Nerlich, A., Karlowsky, S., Schwarz, D., Förster, N., & Dannehl, D. (2022). Soilless tomato production: effects of hemp fiber and rock wool growing media on yield, secondary metabolites, substrate characteristics and greenhouse gas emissions. Horticulturae, 8(3), 1-17. https://doi.org/10.3390/horticulturae8030272

Vollmer, A., Nerlich, A., Geilfus, C. M., & Dannehl, D. (2022). Saving CO₂ emissions by reusing organic growing media from hydroponic tomato production as a source of nutrients to roduce Ethiopian kale (Brassica carinata). Sustainability, 14(11263), 1-14. https://doi.org/10.3390/su141811263

Dannehl, D., Kläring, H.-P., & Schmidt, U. (2021). Light-mediated reduction in photosynthesis in closed greenhouses can be compensated for by CO₂ enrichment in tomato production. Plants, 10(12), 1-19. https://doi.org/10.3390/plants10122808

Dannehl, D., Schwend, T., Veit, D., & Schmidt, U. (2021a). Increase of yield, lycopene, and lutein content in tomatoes grown under continuous PAR spectrum LED lighting. Frontiers in Plant Science, 12(611236), 1-10. https://doi.org/10.3389/fpls.2021.611236

Dannehl, D., Schwend, T., Veit, D., & Schmidt, U. (2021b). LED versus HPS Lighting: Effects on water and energy consumption and yield quality in lettuce greenhouse production. Sustainability, 13(15), 1-11. https://doi.org/10.3390/su13158651

Nerlich, A., & Dannehl, D. (2021). Soilless cultivation: Dynamically changing chemical properties and physical conditions of organic substrates influence the plant phenotype of lettuce. Frontiers in Plant Science, 11(601455), 1-13. https://doi.org/10.3389/fpls.2020.601455

Marten, V., Klose, R., Nerlich, A., Schmidt, U., & Dannehl, D. (2020). Short-and long-term phenotypic changes of hydroponically grown tomatoes as a result of seedling production substrates. European Journal of Horticultural Science, 85(2), 92-99. https://doi.org/10.17660/eJHS.2020/85.2.3

Ntinas, G., Dannehl, D., Schuch, I., Rocksch, T., & Schmidt, U. (2020). Sustainable greenhouse production with minimised carbon footprint by energy export. Biosystems Engineering, 189, 164-178. https://doi.org/10.1016/j.biosystemseng.2019.11.012

Altmann, S., Ulrichs, C., Salazar, R., Fitz-Rodriguez, E., Schmidt, U., & Dannehl, D. (2019). Effects of different air pollution levels in Berlin on lettuce production in various locations. DGG-Proceedings, 9(3), 1-5. https://doi.org/10.5288/dgg-pr-sa-2019

Miranda, L., Lara, B., Rocksch, T., Dannehl, D., & Schmidt, U. (2019). Long-term prediction of biosignals from greenhouse-grown tomato. Acta Horticulturae, 1242, 739-746. https://doi.org/10.17660/ActaHortic.2019.1242.124

Monsees, H., Suhl, J., Paul, M., Kloas, W., Dannehl, D., & Würtz, S. (2019). Lettuce (Lactuca sativa, variety Salanova) production in decoupled aquaponic systems: Same yield and similar quality as in conventional hydroponic systems but drastically reduced greenhouse gas emissions by saving inorganic fertilizer. PLoS One, 14(6), 1-23. https://doi.org/10.1371/journal.pone.0218368

Dannehl , D. (2018). Effects of electricity on plant responses. Scientia Horticulturae, 234, 382–392. https://doi.org/10.1016/j.scienta.2018.02.007

Gogo, E. O., Förster, N., Dannehl, D., Frommherz, L., Trierweiler, B., Opiyo, A. M., Ulrichs, C., & Huyskens-Keil, S. (2018). Postharvest UV-C application to improve health promoting secondary plant compound pattern in vegetable amaranth. Innovative Food Science & Emerging Technologies, 45, 426-437. https://doi.org/10.1016/j.ifset.2018.01.002

Schmidt, U., Dannehl, D., Schuch, I., Suhl, J., Rocksch, T., Salazar-Moreno, R., Fitz-Rodrigues, E., Aquilar, A. R., Cruz, I. L., & Gomez, G. N. (2018). Closed greenhouse production systems for smart plant production in urban areas. International Journal of Agricultural and Biosystems Engineering, 12(12), 472-476.

Suhl, J., Dannehl, D., Baganz, D., Schmidt, U., & Kloas, W. (2018). An innovative suction filter device reduces nitrogen loss in double recirculating aquaponic systems. Aquacultural Engineering, 82, 63-72. https://doi.org/10.1016/j.aquaeng.2018.06.008

Suhl, J., Dannehl, D., Zechmeister, L., Baganz, D., Kloas, W., Lehmann, B., Scheibe, G., & Schmidt, U. (2018). Prospects and challenges of double recirculating aquaponic systems (DRAPS) for intensive plant production. Acta Horticulturae(1227), 449-456. https://doi.org/10.17660/actahortic.2018.1227.56

Miranda, L., Lara, B., Rocksch, T., Dannehl, D., & Schmidt, U. (2017). Neural networks for simulation of transpiration and photosynthesis in a semi-closed greenhouse. Acta Horiculturae, 193-200. https://doi.org/10.17660/ActaHortic.2017.1170.22

Salazar, R., Dannehl, D., Schmidt, U., López, I., & Rojano, A. (2017). A dynamic artificial neural network for tomato yield prediction. Acta Horiculturae, 83-90. https://doi.org/10.17660/ActaHortic.2017.1154.11

Berberich, J., Schuch, I., Dannehl, D., Gao, Y., & Schmidt, U. (2016). Commissioning and optimization of an innovative system for electrolytic water disinfection in greenhouses. Acta Horticulturae, 1242, 703-710. https://doi.org/10.17660/ActaHortic.2019.1242.104

Dannehl, D., Becker, C., Suhl, J., Josuttis, M., & Schmidt, U. (2016). Reuse of organomineral substrate waste from hydroponic systems as fertilizer in open-field production increases yields, flavonoid glycosides, and caffeic acid derivatives of red oak leaf lettuce (Lactuca sativa L.) much more than synthetic fertilizer. Journal of Agricultural and Food Chemistry, 64(38), 7068-7075. https://doi.org/DOI: 10.1021/acs.jafc.6b02328

Dannehl, D., Schuch, I., Gao, Y., Cordiner, S., & Schmidt, U. (2016). Effects of hypochlorite as a disinfectant for hydroponic systems on accumulations of chlorate and phytochemical compounds in tomatoes. European Food Research and Technology, 242, 345-353. https://doi.org/10.1007/s00217-015-2544-5

Dannehl, D., Schuch, I., Salazar, R., & Schmidt, U. (2016). Hypochlorite application in hydroponics with all its benefits and hazards for tomato production. Acta Horticulturae, 1242, 671-678. https://doi.org/10.17660/ActaHortic.2019.1241.99

Gogo, E. O., Huyskens-Keil, S., Krimlowski, A., Ulrichs, C., Schmidt, U., Opiyo, A., & Dannehl, D. (2016). Impact of direct-electric-current on growth and bioactive compounds of African nightshade (Solanum scabrum Mill.) plants. Journal of Applied Botany and Food Quality, 89, 60-67. https://doi.org/10.5073/jabfq.2016.089.007

Suhl, J., Baganz, D., Kloas, W., Dannehl, D., Jobs, S., Scheibe, G., & Schmidt, U. (2016). The potential of double recirculating aquaponic systems for intensive tomato production. Acta Horticulturae, 679-686. https://doi.org/10.17660/ActaHortic.2019.1241.100

Suhl, J., Dannehl, D., Kloas, W., Baganz, D., Jobs, S., Scheibe, G., & Schmidt, U. (2016). Advanced aquaponics: Evaluation of intensive tomato production in aquaponics vs. conventional hydroponics. Agricultural Water Management, 178, 335-344. https://doi.org/10.1016/j.agwat.2016.10.013

Dannehl, D., Rocksch, T., & Schmidt, U. (2015). Modelling to estimate the specific leaf area of tomato leaves (‘Pannovy’). Acta Horticulturae, 1099, 79-86. https://doi.org/10.17660/ActaHortic.2015.1099.5

Dannehl, D., Schuch, I., Gao, Y., Cordiner, S., & Schmidt, U. (2015). Hypochlorite application for controlling algae biofilm formation, microorganisms and tomato production in recirculating systems. Gesunde Pflanzen, 67, 191-199. https://doi.org/DOI 10.1007/s10343-015-0351-3

Dannehl, D., Suhl, J., Ulrichs, C., & Schmidt, U. (2015). Evaluation of substitutes for rock wool as growing substrate for hydroponic tomato production. Journal of Applied Botany and Food Quality(88), 68-77. https://doi.org/10.5073/JABFQ.2015.088.010

Miranda, L., Schuch, I., Dannehl, D., Rocksch, T., Salazar, R., & Schmidt, U. (2015). Using artificial neural networks to predict the climate in a greenhouse: first simulation results on a semi-closed system. Acta Horticulturae, 1099, 137-144.

Ramírez, T., Meas, Y., Dannehl, D., Schuch, I., Miranda, L., Rocksch, T., & Schmidt, U. (2015). Water and carbon footprint improvement for dried tomato value chain. Journal of Cleaner Production, 104, 98-108. https://doi.org/10.1016/j.jclepro.2015.05.007

Salazar, R., López, I., Rojano, A., Schmidt, U., & Dannehl, D. (2015). Tomato yield prediction in a semiclosed greenhouse. Acta Horticulturae, 1107, 263-270. https://doi.org/10.17660/ActaHortic.2015.1107.36

Dannehl, D., Josuttis, M., Huyskens-Keil, S., Ulrichs, C., & Schmidt, U. (2014). Comparison of different greenhouse systems and their impacts on plant responses of tomatoes. Gesunde Pflanzen, 66, 111-119. https://doi.org/10.1007/s10343-014-0322-0

Dannehl, D., Josuttis, M., Ulrichs, C., & Schmidt, U. (2014). The potential of a confined closed greenhouse in terms of sustainable production, crop growth, yield and valuable plant compounds of tomatoes. Journal of Applied Botany and Food Quality, 84, 210-219. https://doi.org/10.5073/JABFQ.2014.087.030

Dannehl, D., Suhl, J., Huyskens-Keil, S., Ulrichs, C., & Schmidt, U. (2014). Effects of a special solar collector greenhouse on water balance, fruit quantity and fruit quality of tomatoes. Agricultural Water Management, 134, 14-23. https://doi.org/10.1016/j.agwat.2013.11.016

Schmidt, U., Schuch, I., Dannehl, D., Rocksch, T., Salazar, R., Rojano, A., & Lopez, I. (2014). Long time plant response measurement for yield prediction, water use and climate control optimization using gas exchange measurement in semi closed and ventilated greenhouses. Acta Horticulturae, 1037, 469-476. https://doi.org/10.17660/ActaHortic.2014.1037.58

Schuch, I., Dannehl, D., Miranda-Trujillo, L., Rocksch, T., & Schmidt, U. (2014). ZINEG project - energetic evaluation of a solar collector greenhouse with above-ground heat storage in Germany. Acta Hort. (ISHS), 1037, 195-201. https://doi.org/10.17660/ActaHortic.2014.1037.20

Dannehl, D., Schuch, I., & Schmidt, U. (2013). Plant production in solar collector greenhouses - influence on yield, energy use efficiency and reduction in CO₂ emissions. Journal of Agricultural Science, 5(10), 34-45.

Dannehl, D., Huber, C., Rocksch, T., Huyskens-Keil, S., & Schmidt, U. (2012). Interactions between changing climate conditions in a semi-closed greenhouse and plant development, fruit yield, and health-promoting plant compounds of tomatoes. Scientia Horticulturae, 138(5), 235-243. https://doi.org/10.1016/j.scienta.2012.02.022

Dannehl, D., Huyskens-Keil, S., Wendorf, D., Ulrichs, C., & Schmidt, U. (2012). Influence of intermittent-direct-electric-current (IDC) on phytochemical compounds in garden cress during growth. Food Chemistry, 131(1), 239-246. https://doi.org/10.1016/j.foodchem.2011.08.069

Dannehl, D., Schuch, I., Rocksch, T., Huyskens-Keil, S., Schmidt, U., & Rojano-Aguilar, A. (2012). Climate conditions in a closed greenhouse affect plant growth and secondary plant compounds of tomatoes (Solanum lycopersicum L.). Acta Horticulturae, 952, 515-522. https://doi.org/10.17660/ActaHortic.2012.952.65

Schmidt, U., Schuch, I., Dannehl, D., Rocksch, T., Salazar-Moreno, R., Rojano-Aguilar, A., & López-Cruz, I. L. (2012). The closed solar greenhouse technology and evaluation of energy harvesting under summer conditions. Acta Horticulturae, 952, 433-439. https://doi.org/10.17660/ActaHortic.2012.952.54

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Dannehl, D., Huyskens-Keil, S., Eichholz, I., Ulrichs, C., & Schmidt, U. (2009). Effects of intermittent-direct-electric-current (IDC) on polyphenols and antioxidant activity in radish (Raphanus sativus L.) during growth. Journal of Applied Botany and Food Quality-Angewandte Botanik, 83(1), 54-59

Dannehl, D., Huyskens-Keil, S., & Schmidt, U. (2008). Storage of strawberries with consideration of different packaging materials. Erwerbs-Obstbau, 50(2), 49-61. https://doi.org/10.1007/s10341-008-0062-3